Sunan an-Nasa'i 1663
سنن النسائي#1663SahihIt was narrated from Kathir bin Murrah that 'Uqbah bin 'Amir told them that:The Messenger of Allah (ﷺ) said: 'The one who recites the Qur'an loudly is like one who gives charity openly, and the one who recites the Qur'an silently is like the one who gives charity in secret
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 20:66